github/open-cas-linux
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Relax allocations requirements

Browse Source 
CAS does not need atomic alocations virtually anywhere. GFP_NOIO
should be sufficient in IO path. When allocation buffers during
module initialization use GFP_KERNEL.

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
This commit is contained in:
Adam Rutkowski
2019-10-18 19:16:20 -04:00
parent f9f00df576
commit 9b8fdde201
6 changed files with 15 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
modules/cas_cache/volume/vol_atomic_dev_bottom.c
View File

@@ -721,7 +721,7 @@ static int cas_atomic_submit_discard_bio(struct cas_atomic_io *atom)
int offset;
unsigned long *cmd_addr = blk_mq_rq_to_pdu(req);
nvm_discard = kmalloc(sizeof(*nvm_discard), GFP_ATOMIC);
nvm_discard = kmalloc(sizeof(*nvm_discard), GFP_NOIO);
if (!nvm_discard) {
return -ENOMEM;
}